Abstract

Accounting scholars have shown great interest to value relevance (Beaver, 2002). Since the 1990, researchers in this field of study have examined what type of accounting information is considered relevant and if it has changed over time or not. Researchers seek answers to this question have reached different conclusions. Answering to the question of how value relevance of accounting information in Tehran Stock Exchange has changed over time form’s the core issue of this study. To do this, under the prediction view and the measurement view of value relevance, we examine value relevance of accounting information of 95 firms over 11 years using regression. The results show under none of this views we can’t reject the research hypothesis based on the reduction of accounting information over time and the use of alternative independent variables, under the two different approachs to value relevance of accounting nformation, has not any impact on this result.